根据问句，选择适当的答语。(20分)
(  )（1）What colour is the flower?
(  )（2）Have you got a tiger?
(  )（3）How many monkeys are there at the zoo?
(  )（4）What's four and six?

A．Yes, I have.

B．Eighteen.

C．It's pink.

D．It's ten.